Difference between revisions of "How to use EEPROM"
From IGEP - ISEE Wiki
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= Overview = | = Overview = | ||
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The IGEP expansion boards (except IGEP New York) provides an AT24C01B serial EEPROM memory which is connected to the OMAP via I2C (register 50).<br> | The IGEP expansion boards (except IGEP New York) provides an AT24C01B serial EEPROM memory which is connected to the OMAP via I2C (register 50).<br> | ||
| − | + | <section end=overview /> | |
= Play with EEPROM memory = | = Play with EEPROM memory = | ||
| − | + | <section begin=play /> | |
Use i2c-tools to manage it: | Use i2c-tools to manage it: | ||
<pre>i2cget <bus> <chip> <register> | <pre>i2cget <bus> <chip> <register> | ||
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<pre>i2cset -f -y 2 0x50 0x10 0x22 | <pre>i2cset -f -y 2 0x50 0x10 0x22 | ||
i2cget -f -y 2 0x50 0x10</pre> | i2cget -f -y 2 0x50 0x10</pre> | ||
| − | + | <section end=play /> | |
= Know more= | = Know more= | ||
| − | + | <section begin=know_more /> | |
See also: i2dump(8), i2cget(8) and i2cset(8) man page | See also: i2dump(8), i2cget(8) and i2cset(8) man page | ||
| + | <section end=know_more /> | ||
Revision as of 12:05, 27 August 2012
Overview
The IGEP expansion boards (except IGEP New York) provides an AT24C01B serial EEPROM memory which is connected to the OMAP via I2C (register 50).
Play with EEPROM memory
Use i2c-tools to manage it:
i2cget <bus> <chip> <register> i2cset <bus> <chip> <register> <value>
For example, the following writes the value 0x22 to register 0x10 of device 0x50 on i2c bus 2:
i2cset -f -y 2 0x50 0x10 0x22 i2cget -f -y 2 0x50 0x10
Know more
See also: i2dump(8), i2cget(8) and i2cset(8) man page
